AU8147687A - Liquid crystal display projection system having improved contrast - Google Patents

Liquid crystal display projection system having improved contrast

Info

Publication number
AU8147687A
AU8147687A AU81476/87A AU8147687A AU8147687A AU 8147687 A AU8147687 A AU 8147687A AU 81476/87 A AU81476/87 A AU 81476/87A AU 8147687 A AU8147687 A AU 8147687A AU 8147687 A AU8147687 A AU 8147687A
Authority
AU
Australia
Prior art keywords
liquid crystal
crystal display
projection system
improved contrast
display projection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU81476/87A
Other languages
English (en)
Inventor
Stephen Magocs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips North America LLC
Original Assignee
North American Philips Consumer Electronics Corp
US Philips Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by North American Philips Consumer Electronics Corp, US Philips Corp filed Critical North American Philips Consumer Electronics Corp
Publication of AU8147687A publication Critical patent/AU8147687A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/604—Polarised screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Projection Apparatus (AREA)
AU81476/87A 1986-11-25 1987-11-23 Liquid crystal display projection system having improved contrast Abandoned AU8147687A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US93487186A 1986-11-25 1986-11-25
US934871 1986-11-25

Publications (1)

Publication Number Publication Date
AU8147687A true AU8147687A (en) 1988-05-26

Family

ID=25466210

Family Applications (1)

Application Number Title Priority Date Filing Date
AU81476/87A Abandoned AU8147687A (en) 1986-11-25 1987-11-23 Liquid crystal display projection system having improved contrast

Country Status (5)

Country Link
EP (1) EP0270169B1 (de)
JP (1) JPS63163820A (de)
CN (1) CN1010806B (de)
AU (1) AU8147687A (de)
DE (1) DE3782008T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4928123A (en) * 1987-06-16 1990-05-22 Sharp Kabushiki Kaisha Projection type liquid crystal display device
JP2601083B2 (ja) * 1991-11-25 1997-04-16 カシオ計算機株式会社 投影型ディスプレイ
FR2700772A1 (fr) * 1993-01-27 1994-07-29 Michelin Rech Tech Composition, susceptible de donner des fibres ou des films, à base de formiate de cellulose.
EP0777768B1 (de) * 1994-08-19 1999-06-02 Akzo Nobel N.V. Zelluloselösungen und hieraus hergestellte produkte
DE69504525T2 (de) * 1994-08-19 1999-03-11 Akzo Nobel Nv Verfahren zur herstellung von zelluloseextrudsten
EP0746798A1 (de) * 1994-12-22 1996-12-11 Koninklijke Philips Electronics N.V. Präsentationssystem mit einem overheadprojektor
FR2737735A1 (fr) * 1995-08-10 1997-02-14 Michelin Rech Tech Fibres cellulosiques a allongement rupture ameliore
NL1001692C2 (nl) * 1995-11-20 1997-05-21 Akzo Nobel Nv Werkwijze voor de bereiding van geregenereerde cellulose filamenten.
EP0880609B1 (de) * 1996-02-14 2000-04-05 Akzo Nobel N.V. Cellulosefasern und filamenten mit hoher bruchdehnung
FR2759094B1 (fr) * 1997-02-06 1999-03-05 Michelin Rech Tech Fibres cellulosiques d'origine cristal-liquide ayant un allongement a la rupture important ; procedes pour les obtenir
CN105652564B (zh) * 2016-01-26 2017-07-07 京东方科技集团股份有限公司 显示系统及显示方法
TWI680326B (zh) * 2018-09-28 2019-12-21 友達光電股份有限公司 顯示器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1120093A (en) * 1965-06-29 1968-07-17 Westinghouse Electric Corp Display system
FR2212559B1 (de) * 1972-12-29 1977-08-05 Thomson Csf
IL48536A0 (en) * 1975-01-06 1976-01-30 Hughes Aircraft Co Photo-activated liquid crystal field effect light valve display device
JPS6138976A (ja) * 1984-07-27 1986-02-25 セイコーエプソン株式会社 投射型表示装置

Also Published As

Publication number Publication date
CN87101153A (zh) 1988-07-06
EP0270169A1 (de) 1988-06-08
EP0270169B1 (de) 1992-09-30
DE3782008T2 (de) 1993-04-22
CN1010806B (zh) 1990-12-12
JPS63163820A (ja) 1988-07-07
DE3782008D1 (de) 1992-11-05

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